<!doctype html>
<!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<script>
WCT = {waitFor: function (cb) {HTMLImports.whenReady(cb)}}
</script>
<script src="./test-flags.js"></script>
<script src="../node_modules/@webcomponents/webcomponents-platform/webcomponents-platform.js"></script>
<script src="../node_modules/es6-promise/dist/es6-promise.auto.min.js"></script>
<script src="../node_modules/@webcomponents/template/template.js"></script>
<script src="../node_modules/@webcomponents/html-imports/html-imports.min.js"></script>
<script src="../node_modules/@webcomponents/shadydom/shadydom.min.js"></script>
<script src="../node_modules/@webcomponents/custom-elements/custom-elements.min.js"></script>
<script src="../scoping-shim.min.js"></script>
<script src="../apply-shim.min.js"></script>
  <script>
  if (customElements.polyfillWrapFlushCallback) {
    // delay definition of custom-style until after template polyfill loads
    customElements.polyfillWrapFlushCallback(function(cb) {
      HTMLImports.whenReady(cb);
    });
  }
  </script>
<script src="../custom-style-interface.min.js"></script>
<script src="module/generated/make-element.js"></script>
<script src="module/generated/custom-style-element.js"></script>
<script src="../node_modules/wct-browser-legacy/browser.js"></script>

<template id="late">
  <custom-style class="late-style">
    <style>
    html {
      --late: {
        border: 2px solid red;
      };
    }
    </style>
  </custom-style>
</template>

<template id="x-late">
  <style>
    :host {
      display: block;
      @apply --late;
    }
  </style>
  <div>late</div>
</template>

<template id="x-host">
  <style>
  :host {
    display: block;
    padding: 4px;
  }
  </style>
  <x-late></x-late>
</template>

<x-host></x-host>

<script>
suite('Async custom-style', function() {
  suiteSetup(function() {
    makeElement('x-host');
  });
  test('late custom-style updates elements', function(done) {
    var lateTemplate = document.querySelector('template#late');
    var host = document.querySelector('x-host');
    var inner = host.shadowRoot.querySelector('x-late');
    requestAnimationFrame(function() {
      document.body.appendChild(document.importNode(lateTemplate.content, true));
      makeElement('x-late');
      requestAnimationFrame(function() {
        assert.equal(getComputedStyle(inner).borderTopWidth.trim(), '2px');
        done();
      });
    });
  })
})
</script>